package com.wc.wcWebsite.intereptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import com.wc.wcWebsite_model.User;

public class LoginInterceptor implements HandlerInterceptor{
	
	private final static Logger logger=LoggerFactory.getLogger(LoginInterceptor.class);

	@Override
	public boolean preHandle(HttpServletRequest request,
			HttpServletResponse response, Object handler) throws Exception {
		User user=(User) request.getSession().getAttribute("userInfo");
		if(user!=null){
			return true;
		}else{
			logger.warn("user login or request illegally");
			response.sendRedirect("tologin");
			return false;
		}
	}

	@Override
	public void postHandle(HttpServletRequest request,
			HttpServletResponse response, Object handler,
			ModelAndView modelAndView) throws Exception {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void afterCompletion(HttpServletRequest request,
			HttpServletResponse response, Object handler, Exception ex)
			throws Exception {
		// TODO Auto-generated method stub
		
	}

}
